850306 has 16 divisors (see below), whose sum is σ = 1370520. Its totient is φ = 394240.

The previous prime is 850303. The next prime is 850331. The reversal of 850306 is 603058.

850306 is nontrivially palindromic in base 3.

850306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 765625 + 84681 = 875^2 + 291^2 .

It is not an unprimeable number, because it can be changed into a prime (850301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886 + ... + 3166.

2⁸⁵⁰³⁰⁶ is an apocalyptic number.

850306 is a deficient number, since it is larger than the sum of its proper divisors (520214).

850306 is a wasteful number, since it uses less digits than its factorization.

850306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 850306 is about 922.1203825965. The cubic root of 850306 is about 94.7381895736.

It can be divided in two parts, 850 and 306, that multiplied together give a square (260100 = 510²).

The spelling of 850306 in words is "eight hundred fifty thousand, three hundred six".